org.jkiss.dbeaver.ext.exasol.manager.ExasolSchemaManager.java Source code

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Here is the source code for org.jkiss.dbeaver.ext.exasol.manager.ExasolSchemaManager.java

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/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2017 Karl Griesser (fullref@gmail.com)
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jkiss.dbeaver.ext.exasol.manager;

import java.util.List;
import java.util.Map;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.ext.exasol.ExasolMessages;
import org.jkiss.dbeaver.ext.exasol.model.ExasolDataSource;
import org.jkiss.dbeaver.ext.exasol.model.ExasolSchema;
import org.jkiss.dbeaver.ext.exasol.tools.ExasolUtils;
import org.jkiss.dbeaver.ext.exasol.ui.ExasolCreateSchemaDialog;
import org.jkiss.dbeaver.model.DBPDataSource;
import org.jkiss.dbeaver.model.DBUtils;
import org.jkiss.dbeaver.model.edit.DBECommandContext;
import org.jkiss.dbeaver.model.edit.DBEObjectRenamer;
import org.jkiss.dbeaver.model.edit.DBEPersistAction;
import org.jkiss.dbeaver.model.impl.DBSObjectCache;
import org.jkiss.dbeaver.model.impl.edit.SQLDatabasePersistAction;
import org.jkiss.dbeaver.model.impl.sql.edit.SQLObjectEditor;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.dbeaver.model.struct.DBSObject;
import org.jkiss.dbeaver.ui.UITask;
import org.jkiss.dbeaver.ui.UIUtils;
import org.jkiss.dbeaver.ui.dialogs.ConfirmationDialog;

public class ExasolSchemaManager extends SQLObjectEditor<ExasolSchema, ExasolDataSource>
        implements DBEObjectRenamer<ExasolSchema> {

    @Override
    public long getMakerOptions(DBPDataSource dataSource) {
        return FEATURE_SAVE_IMMEDIATELY;
    }

    @Override
    public DBSObjectCache<? extends DBSObject, ExasolSchema> getObjectsCache(ExasolSchema object) {
        ExasolDataSource source = (ExasolDataSource) object.getDataSource();
        return source.getSchemaCache();
    }

    @Override
    protected ExasolSchema createDatabaseObject(DBRProgressMonitor monitor, DBECommandContext context,
            ExasolDataSource parent, Object copyFrom) throws DBException {
        return new UITask<ExasolSchema>() {
            @Override
            protected ExasolSchema runTask() {
                ExasolCreateSchemaDialog dialog = new ExasolCreateSchemaDialog(UIUtils.getActiveWorkbenchShell(),
                        parent);
                if (dialog.open() != IDialogConstants.OK_ID) {
                    return null;
                }
                return new ExasolSchema(parent, dialog.getName(), dialog.getOwner().getName());
            }
        }.execute();
    }

    private void changeOwner(List<DBEPersistAction> actions, ExasolSchema schema, String owner) {
        String script = "ALTER SCHEMA " + DBUtils.getQuotedIdentifier(schema) + " CHANGE OWNER  " + owner;
        actions.add(new SQLDatabasePersistAction("Set schema Owner", script));

    }

    @Override
    protected void addObjectCreateActions(List<DBEPersistAction> actions, ObjectCreateCommand command,
            Map<String, Object> options) {
        final ExasolSchema schema = command.getObject();

        String script = "CREATE SCHEMA " + DBUtils.getQuotedIdentifier(schema);

        actions.add(new SQLDatabasePersistAction("Create schema", script));
        String owner = schema.getOwner();
        if (owner != null) {
            changeOwner(actions, schema, owner);
        }
    }

    @Override
    protected void addObjectDeleteActions(List<DBEPersistAction> actions, ObjectDeleteCommand command,
            Map<String, Object> options) {
        int result = new UITask<Integer>() {
            protected Integer runTask() {
                ConfirmationDialog dialog = new ConfirmationDialog(UIUtils.getActiveWorkbenchShell(),
                        ExasolMessages.dialog_schema_drop_title, null, ExasolMessages.dialog_schema_drop_message,
                        MessageDialog.CONFIRM,
                        new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL }, 0,
                        ExasolMessages.dialog_general_continue, false);
                return dialog.open();
            }
        }.execute();
        if (result != IDialogConstants.YES_ID) {
            throw new IllegalStateException("User abort");
        }

        actions.add(new SQLDatabasePersistAction("Drop schema",
                "DROP SCHEMA " + DBUtils.getQuotedIdentifier(command.getObject()) + " CASCADE") //$NON-NLS-1$
        );
    }

    @Override
    protected void addObjectRenameActions(List<DBEPersistAction> actions, ObjectRenameCommand command,
            Map<String, Object> options) {
        ExasolSchema obj = command.getObject();
        actions.add(new SQLDatabasePersistAction("Rename Schema",
                "RENAME SCHEMA " + DBUtils.getQuotedIdentifier(obj.getDataSource(), command.getOldName()) + " to "
                        + DBUtils.getQuotedIdentifier(obj.getDataSource(), command.getNewName())));
    }

    @Override
    public void addObjectModifyActions(List<DBEPersistAction> actionList, ObjectChangeCommand command,
            Map<String, Object> options) {
        ExasolSchema schema = command.getObject();

        if (command.getProperties().size() >= 1) {
            if (command.getProperties().containsKey("description")) {
                String script = "COMMENT ON SCHEMA " + DBUtils.getQuotedIdentifier(schema) + " IS '"
                        + ExasolUtils.quoteString(schema.getDescription()) + "'";
                actionList.add(new SQLDatabasePersistAction("Change comment on Schema", script));
            }
            if (command.getProperties().containsKey("owner")) {
                changeOwner(actionList, schema, schema.getOwner());
            }

        }
    }

    @Override
    public void renameObject(DBECommandContext commandContext, ExasolSchema object, String newName)
            throws DBException {
        processObjectRename(commandContext, object, newName);
    }

}